Home / 418,370.24-627,429.60-118,875.17

Finding the Fourth Proportional to 418,370.24, 627,429.60 and 118,875.17

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Solution

The fourth proportional to 418,370.24, 627,429.60 and 118,875.17 is: 178,277.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,370.24 : 627,429.60 = 118,875.17 : x
  2. Step 2: Convert to fraction form
    418,370.24/627,429.60 = 118,875.17/x
  3. Step 3: Cross multiply
    418,370.24x = 627,429.60 × 118,875.17
  4. Step 4: Simplify right side
    418,370.24x = 74,585,797,225.88
  5. Step 5: Solve for x
    x = 74,585,797,225.88/418,370.24
  6. Step 6: Final answer
    x = 178,277.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.